Register Initial Value And Read/Write Operation Table - Epson RX8130CE Applications Manual

13.2.2. Register initial value and Read/Write operation Table

After power-on-reset, registers bits of RTC are configured automatically as below.
The value will be the same even after Software Reset is executed.
【 X： Undefined in 0 or 1. usually it keeps data of before Power-On-Reset.】
【 0： Reset state 】
【 1： Set state
Table 13 Register initial value, Read/Write
Addressh
10
11
12
13
14
15
16
17
18 HOUR Alarm
WEEK Alarm
19
1A Timer Counter 0
1B Timer Counter 1
1C Extension Register
1D Flag Register
1E Control Register0
1F Control Register1
Addressh
20-23
Addressh
30
31 Extension Register1
RX8130CE
ETM50E-07
】
Function bit 7
SEC 0
MIN 0
HOUR 0
WEEK 0
DAY 0
MONTH 0
YEAR
X
MIN Alarm
X
X
X
DAY Alarm
X
X
0
0
0
0
Function bit 7
RAM X
Function bit 7
Digital offset
0
0
Seiko Epson Corporation
13. Overview of Functions and Registers
bit 6 bit 5 bit 4
X X X
X X X
0 X X
X X X
0 X X
0 0 X
X X X
X X X
X X X
X X X
X X X
X X X
X X X
0 0 0
0 0 0
0 0 0
0 0 0
bit 6 bit 5 bit 4
X X X
bit 6 bit 5 bit 4
0 0 0
0 0 0
bit 3 bit 2 bit 1
X X X
X X X
X X X
X X X
X X X
X X X
X X X
X X X
X X X
X X X
X X X
X X X
X X X
1
0 0
1
0 1
0 0 0
0 0 0
bit 3 bit 2 bit 1
X X X
bit 3 bit 2 bit 1
0 0 0
0 0 0
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bit 0
X
X
X
X
X
X
X
X
X
X
X
X
X
0
0
0
0
bit 0
X
bit 0
0
0
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